Feature spec
Goal: Send a clear invoice after finishing a job.
- Add a client, line items, a due date, and payment instructions.
- Preview the total before exporting a PDF.
- Keep an editable draft if export fails.
App Overview
fomo - never miss out
Catch the next big crypto before everyone else – buy any token on Solana, Robinhood Chain, BNB Chain, Base, Ethereum or Monad!
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.8
19,591 ratings · Top 5%
Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.
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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What's included18 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Screen plan
Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.
States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.
Differentiate and validate
Hypothesis: Contractors need faster repeat invoices more than more templates.
First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.
The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.
Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.
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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for fomo - never miss out: map the core Finance workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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Opportunities
AI-GENERATED OPPORTUNITY HYPOTHESES
These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.
Hypothesis 1
Implement automatic transaction categorization and bank linking to streamline the process.
Assumption to check: Users often find expense tracking tedious and time-consuming.
Validate with people who use this workflow before building.
Hypothesis 2
Introduce more robust budget tracking with alerts and progress monitoring.
Assumption to check: Limited budget tracking features compared to competitors.
Validate with people who use this workflow before building.
Hypothesis 3
Simplify the paywall experience and clearly communicate the benefits of premium features.
Assumption to check: In-app purchase complexity can deter users.
Validate with people who use this workflow before building.
Hypothesis 4
Provide tailored recommendations based on spending habits and trends.
Assumption to check: Lack of personalized financial insights.
Validate with people who use this workflow before building.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
Catch the next big crypto before everyone else – buy any token on Solana, Robinhood Chain, BNB Chain, Base, Ethereum or Monad! fomo is your ultimate cross-chain trading app, trade any asset across supported chains in one click without bridging, track and visualize your cross-chain portfolio and PnL in real time, and view your transaction and trade history. Why fomo? • Social Trading: See what friends & top traders are buying in real time • Trade Instantly: Buy trending tokens in seconds using Apple Pay • Research Smarter: Built-in trading alpha, detailed profit tracking, spot top gainers • Lightning Fast and Safe: Secure deposits & instant withdrawals – get started in seconds! You own all your crypto. • Trusted Support: Our 4.8 rating app, trusted by 1,000,000+ users is backed by a dedicated team who cares Join the thousands of traders who never miss out again. Download fomo today.
Written user reviews are not shown here. Check current App Store reviews >
Screenshots
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Build scope
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Define the first version
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Set boundaries
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Check the hard parts
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
SUGGESTED BUILD STACK
React Native
Expo
FastAPI
Zustand
React Navigation
Axios
BUILD KIT DIFFICULTY
Expert
From the Build Kit assessment.
A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.
